Juan Manuel Márquez pulled off a major victory for Mexico last Saturday night at the MGM Grand in Las Vegas. After nearly six rounds of war, Marquez knocked out Manny Pacquiao with a second remaining in the sixth round. This Saturday night in Houston, Jorge “Travieso” Arce (61-6-2, 46 KO’s) will challenge WBO super bantamweight king “Filipino Flash” Nonito Donaire (30-1-0, 19 KO’s) in an HBO televised main event.